3. If you are happy If you are happy and you know it clap your hands If you are happy and you know it never be afraid to show it If you are happy and you know it clap your hands If you are happy and you know it stomp your feet. If you are happy and you know it never be afraid to show it If you are happy and you know it stomp your feet If you are happy and you know it wink your eye If you are happy and you know it never be afraid to show it If you are happy and you know it wink your eye

4. *If you are happy, what will you do? If I am happy, I will smile/sing. *If you become sad, what will you do ? If I become sad, I will cry. *If you are late for school, what will happen? If I am late for school, the teacher will be angry with me.

5. If 句型 If 意为如果，表示条件， if 引导的句 子是从句，用现在时态，主句则用将 来时态。也就是所谓的 “ 主将从现 ” 。 If you eat less, you will be thinner. If you work hard, you will be successful. If you come to school late, your teacher will be angry with you.

6. If 条件状语从句用法 : The structure: If + 一般现在时, 主句 ( 一般将来时 ) 主句 ( 一般将来时 ) + if + 一般现在时 If 条件句口诀 : If 条件句, 规则要牢记； 条件放在前，逗号加中间； If 表可能，主句常 “ 将来 ” ； 从句什么时，现在替将来。

7. If you have a robot, what will you do?  play games  clean my bedroom  cook for us Hint: I will let it…

8. 玩的愉快 牛仔裤 允许进入 组织 Have a great timeenjoy oneself have fun Have a good time jeans organize （动词） organization （名词） Let in

10. 1.I think I’m going to go to a If you do, the the party with Karen and Ann. teachers won’t let you in. 2.I think I’m going to wear b If you do, you’ll jeans to the party. be late. 3. I think I’m going to take c If you do, you’ll the bus to the party. be sorry. 4.I think I’m going to stay d If you do, you’ll at home. have a great time. 1b Listen. Were your answers to activity 1a correct?

11. 1b Tapescript A: I think I’m going to wear jeans to the party. B: If you do, A: I think I’m going to stay at home. B: If you do, A: I think I’m going to take the bus to the party. B: If you do, A: I think I’m going to the dance with Karen and Ann. B: If you do, the teachers won ’ t let you in. you ’ ll be sorry. you ’ ll be late. you ’ ll have a great time.

12. Summary Words and expressions: have a great time: 过的愉快，玩得高兴 e.g. Have you had a great time in the party. I have a great time in the trip. be going to 将，打算 e.g. I am going to do some shopping with my mother. He is going to take part in an English class. sorry 难过的，不安的，懊悔的；抱歉，对不起 e.g. I am sorry to hear your bad news. You will be sorry about this later.

13. If you have a lot of money, what will you do? If I have a lot of money, I will buy a big house for my parents.. If I have a lot of money, I will travel around the world If I have a lot of money, I will give it to the poor people.

14. Money isn’t everything. It is important for a person to be nice and helpful.

15. 2a Listen and number these phrases in the order you hear them. a. study for their tests b. help me organize it c. too early d. make some food e. Saturday afternoon f. play party games 1 2 3 4 5 6 1 2 3 4 5 6

16. 2b Listen again and answer the questions. What will happen if they have the party today? Half the class won’t come. What will happen if they have the party tomorrow? What will happen if they watch a video at the party? What is Mark going to organize? What is Andrea going to do? Students will leave early to Study for their tests. Some students will be bored. Mark is going to organize the party games. Andrea is going to make some food.

17. A :When is a good time to have the party? B: Let ’ s have it today. A: If we have it today, half the class won ’ t come. B :What about tomorrow? A: If we have it tomorrow, ……

18. Today is Jenny’s birthday, she wants to organize a birthday party.

19. I am going to go to the party with the ＿＿＿＿＿ If you do, Jenny will be very happy. present. wear nightclothes I am going to ＿＿＿＿＿＿＿＿＿ to the party. If you do, Jenny won’t let you in. I am going to ＿＿＿＿＿＿ to the party. take the bus If you do, you won’t be late.

20. Homework Write a letter to Jenny. If you go to the party, what will you do?